|
1989 |
Beijing Zhongji was established |
|
1994 |
Changed to Shanghai Min |
|
1996 |
Introducing a wide-range piston gauge |
|
2000 |
High static pressure gas differential pressure piston pressure gauge (fill in blank) |
|
2004 |
A new generation of piston pressure gauges was successfully developed |
|
2005 |
Downhole pressure gauge verification device |
|
2010 |
Introduced gas piston gauge |
|
2012 |
Development of national benchmark piston pressure gauge (developed jointly with the National Academy) |
|
2013 |
Successful development of ultra-high pressure piston (500MPa~1000MPa) |
|
2014 |
The first generation of fully automatic piston pressure gauge (Z1 series) |
|
2017 |
The second generation of fully automatic piston pressure gauge (Z2 series) |
|
2018 |
Dynamic sine wave pressure generating device was successfully developed (co-developed with Shanghai Institute) |